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   "source": [
    "# 1. Identifying bugs in code\n",
    "The following `stripped_reversed_lowercase` function contains at least one bug. You can see this by running the code in the cell below which tests the functionality of the `stripped_reversed_lowercase` function.\n",
    "\n",
    "Set trace at the beginning of `stripped_reversed_lowercase` and use debugger to solve the bug(s). Execute the code line by line and print variables used in the function to understand what's going wrong. "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "def stripped_reversed_lowercase(original):\n",
    "    # Set a breakpoint here and start debugging\n",
    "    stripped = original.lstrip()\n",
    "    reversed = ' '.join(reversed(stripped))\n",
    "    reversed.lower()\n",
    "    return reversed"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "editable": false
   },
   "outputs": [],
   "source": [
    "# Let's verify it works\n",
    "original = ' \\n Original String '\n",
    "result = stripped_reversed_lowercase(original)\n",
    "assert result == 'gnirts lanigiro'"
   ]
  }
 ],
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